(Maitre'D 2005, Service Pack 1, and later versions of Maitre'D)
P.O.S. Control / Revenue Center / Items Setup / Links
You can keep the item match constant between the Maitre'D database and
an external application, such as a Kiosk or a web ordering system, after
the Main ID is modified by a Broadcast from the Corporate Office.
External Code:
Enter the constant ID in this field to maintain integrity with a third
party application.